Chain-pump bucket



Jivirnn STATEs PATENT Caries.

ORLO E. \VADHAMS, OF GOSHEN, CONNECTICUT.

CHAIN-PUMP BUCKET.

SPECIFICATION forming part of Letters Patent No. 287,248, dated October23, 1883;, Application filed April 30, 1883. (No model.)

T all whom it may concern.-

Be it known that I, ORLO E. VADHAMS, a citizen of the United States,residing at Goshen, in the county of Litchfield and State ofConnecticut, have invented certain new and use ful Improvements inChain-Pump Buckets; and I do declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same,reference being had to the accompanying drawings, and to the letters andfigures of reference marked thereon, which form a part of thisspecification.

My invention relates to improvements in buckets for chain-pumps; and itconsists in the link and the peculiar construction of the rubber disks,as will be hereinafter explained and claimed.

In the drawings, Figures 1, 2, and 3 are side views of the buckets withthe elastic disks in different positions. Fig. 4. is a detail view ofthe rubber disk, and Fig. 5 shows the link with the disks removed.

The link A is preferably made in the form shown, with the eyes a at itsopposite ends, the shoulders a a, and the connecting-shank a between thesaid shoulders a, as shown. The disks B are of rubber or other suitableelastic material, and are provided with the central opening, I), whichis slipped over the eyes and shoulders and around the shank a wherebythe disk is held on the link. The disks are formed with a circularextension, B, projected from one side and concentric with the disks B,as shown in Fig. 4. Through the disks B, near their outer edges, I formthe holes I),

through which the water can slowly pass back into the well when the pumpis stopped, to prevent freezing.

In the operation of chain-pumps it is well understood a number oft-hebuckets are coupled together and form an endless chain, working in atubular stock.

The disks B are made of a diameter slightly larger than the diameter ofthe bore of the stock, and their flexibility permits their edges to bebent down slightly as they are drawn through the tubular stock. Inpractice I use two of the disks, and they are sprung into position onthe shank a and their extensions B permit their being arranged in thevarious positions shown-na1nely, that shown in Fig. 1, wherein theextensions of the disks are abutted together; that shown in Fig. 2,wherein the extensions are projected in both cases up, so that theextension of the lower disk abuts against the face of the upper disk, orthat shown in Fig. 3, where the disks proper rest against each other andform practically a single disk of double thickness, as shown.

It will be seen that my disks may be changed from one to any of theother arrangements described, so that when the edges of the disks havebecome worn in the arrangement shown in Fig. 1, in which the disks arevery flexible, they may be changed to the position shown in Fig. 2,wherein they are less flexible, and when they have become worn in thisarrangement they may be changed to the arrangement shown in Fig. 3,wherein the disks, being placed face to face, form practically a singledisk having comparatively little flexibility. \Vhen the disks arereversed, it will be understood the worn edge is turned down and theunworn one up, providing a fresh wearing-edge. These disks may also beadjusted, as described, to adapt the buckets to shallow or deep wells.

Vhen the disks are arranged as shown in Figs. 1 and 2, they are turnedso as to bring the holes 6 in the two disks diametrically opposite eachother, as shown in Figs. 1 and 2; but in the arrangement of disks shownin Fig. 3 they must be turned to bring the holes coincident, to permitthe water to pass back when the pump is stopped, while in the formercase a water-space is formed between the disks. I prefer to make boththe disks with the pro jected extension B; but it will be seen that bymaking the extension on one only and of a length equal to both, thearrangement of disks shown in Figs. 1 and 3 can be accomplished, butthat shown in Fig. 2 cannot be had except by forming both disks withextensions, as is preferred, as before stated. This reversibility of thedisks also allows the buckets to be adapted to old or much-worn tubes.

It will be also understood that where it is desired to make theextension on one only of the disks the shank of could be made shorter,

instead of making the single extension equal IO structed of equaldia1neter,with their opposite faces planed or formed smooth and parallelto each other, and an extension, B, projected from one of the disks andformed concentric with and of less diameter than the same, sub- I 5stantially as and for the purposes set forth.

2. The chain-pump bucket substantially as described and shown,composed-of the link, the disks B B, made of equal diameter, and havingtheir opposite faces planed or formed smooth and parallel to each other,the concen- 2o tric extensions projected from and made of less diameterthan the disks, the said disks being sprung on and removable from thelink, whereby they may be reversed, all arranged and operatingsubstantially as and for the pur- 25 poses set forth.

In testimony whereof I affix my signature in presence of two witnesses.

q ORLO E. \VADHAMS. \Vitne'ss'es:

WILLIAM BENNETT, RALPH F. 0001;;

